Catalyst compositions and methods for making foam
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United States of America Patent
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Nov 13, 2018
Grant Date -
Aug 27, 2015
app pub date -
Feb 26, 2015
filing date -
Feb 25, 2014
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Abstract
A composition and process to make polyisocyanurate or polyurethane foam using a catalyst composition comprising at least one bismuth carboxylate catalyst and one or more co-catalysts selected from the group of alkali metal carboxylates and quaternary ammonium carboxylate salts, such that the resultant foam has improved insulation properties. The polyisocyanurate or polyurethane foams produced by this catalyst composition and method are useful for laminated boardstock, construction panels, appliance insulation, and spray-applied insulation.
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